Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Schedule Of Contracts Designated As Hedged Instruments) (Details)

v3.19.1
Derivative Financial Instruments (Schedule Of Contracts Designated As Hedged Instruments) (Details) - Designated as Hedging Instrument [Member]
€ in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
EUR (€)
Dec. 31, 2018
EUR (€)
Mar. 31, 2019
CAD ($)
Dec. 31, 2018
CAD ($)
Canadian Dollars [Member]        
Foreign Exchange Contracts [Line Items]        
Foreign exchange contracts, Notional Amount | $     $ 4,157 $ 6,166
Derivative, Maturity Date Aug. 01, 2019 Aug. 01, 2019    
Euro [Member]        
Foreign Exchange Contracts [Line Items]        
Foreign exchange contracts, Notional Amount | € € 11,149 € 10,710    
Derivative, Maturity Date Feb. 01, 2020 Feb. 01, 2020